Kauai County, HI Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Kauai County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 87. West southwest wind around 3 mph.
County Weather Overview
This county weather page brings together forecast coverage for Kauai County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 14 of 14 mapped cities in Kauai County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 28, 2026 5:49 PM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Kauai County
Wednesday looks like the warmest upcoming period in Kauai County at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Wednesday Night at about 3 to 7 mph E.
The forecast from May 30 through Jun 3 stays mostly dry.
Forecast Details
- Last updated
- May 28, 2026 5:49 PM HST
- Coverage
- 6 days
- Time zone
- Pacific/Honolulu
- Forecast office
- HFO
- Radar station
- PHKI
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 69. North northwest wind around 1 mph.
Mostly sunny, with a high near 87. North northwest wind around 3 mph.
Partly cloudy, with a low around 69. North northeast wind 0 to 3 mph.
Mostly sunny, with a high near 88. West wind around 2 mph.
Partly cloudy, with a low around 70. North northeast wind around 3 mph.
Mostly sunny, with a high near 89. Northeast wind around 5 mph.
Mostly cloudy, with a low around 71. North northwest wind around 3 mph.
Mostly sunny, with a high near 90. Southwest wind 1 to 5 mph.
Partly cloudy, with a low around 71. East wind 3 to 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
87°F |
3 mph
WSW
|
|
Saturday Night
May 30
|
Partly Cloudy
|
69°F |
1 mph
NNW
|
|
Sunday
May 31
|
Mostly Sunny
|
87°F |
3 mph
NNW
|
|
Sunday Night
May 31
|
Partly Cloudy
|
69°F |
0 to 3 mph
NNE
|
|
Monday
Jun 1
|
Mostly Sunny
|
88°F |
2 mph
W
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
70°F |
3 mph
NNE
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
89°F |
5 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Cloudy
|
71°F |
3 mph
NNW
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
90°F |
1 to 5 mph
SW
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
71°F |
3 to 7 mph
E
|
Major City Forecasts
Live forecast snapshots for major cities across Kauai County.
Coverage
Forecast coverage currently spans 14 of 14 mapped cities in Kauai County.
Largest mapped city population in this region: 10,699.
